Mu″ta‐ble (?), a. [L. mutabilis, fr. mutare to change. See Move.] 1. Capable of alteration; subject to change; changeable in form, qualities, or nature.
Things of the most accidental and mutable nature. South.
2. Changeable; inconstant; unsettled; unstable; fickle. “Most mutable wishes.” Byron.
Syn. — Changeable; alterable; unstable; unsteady; unsettled; wavering; inconstant; variable; fickle.